• punching machine
  • punching machine

JH21-250

Punching machine JH21-250

Warranty:  13 months

Voltage: As customers’ requirement

Color: As customers’ requirement

After-sale service: Available

Brand Name: WMTCNC

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    Description

    This series of press adopts rotating key positive clutch,which has a simple structure and is convenient to operate and maintain,achieving smooth operation, low impact and low noise.

    Specification

    SpecificationsUnitJH21-250
    TypeHS
    Nominal forceKN2500
    Nominal Strokemm6.56.5
    Slide Strokemm160220
    Slide Strokes Per MinuteFixedmin-14530
    Variable30-5520-35
    Maximum Die Set Heightmm530500
    Die Height Adjustmentmm120
    Between slide center and framemm450
    Columns Distancemm980
    Bottom size of slideL×Rmm950
    F×Bmm700
    Shank Hole SizeDiamm70
    Depthmm130
    Bolster sizeL×Rmm1500
    F×Bmm880
    Blanking Hole Diametermm240
    Bolster Thicknessmm190
    Bolster Surface Heightmm1000
    Overall DimensionsF×Bmm2660
    L×Rmm1640
    Hmm3850
    Distance Between Foundation BoltsF×Bmm2100
    L×Rmm1460
    MotorPowerKw22
    Weight(Approximate)Kg23200

     

    Main Features

    • Steel welded body, tempering treatment, high rigidity, accuracy and stability.

    • Vertical located crankshaft, compact structure.

    • The crankshaft undergoes grinding treatment after high frequency quenching.

    • Lengthened rectangular guideway with a surface of bronze plate.

    • Pneumatic dual balance cylinder, which balances the slide block and punch weight to reduce noise and impact.

    • PLC control and imported safety dual valve.

    • Wet clutch and hydraulic overload protector.

    Machine Details

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